Loom-chat/index.html at main · tukikageyuma/Loom-chat · GitHub

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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<title>Loom — グループ対応 P2P チャット</title>
<meta name="viewport" content="width=device-width,initial-scale=1" />
<!-- CSS: 青基調 + 安定レイアウト + アニメーション -->
<style>
  :root{
    --main1:#2563eb;
    --main2:#60a5fa;
    --bg:#e0f4ff;
    --card:#f0f8ff;
    --accent:#93c5fd;
  }
  html,body{height:100%;margin:0;padding:0;font-family:"Segoe UI",system-ui, -apple-system, "Helvetica Neue", Arial; background:var(--bg);}
  body{display:flex;height:100vh;box-sizing:border-box;}

  /* LEFT */
  #friends {
    width:260px;
    min-width:220px;
    border-right:1px solid rgba(0,0,0,0.08);
    background: linear-gradient(180deg,var(--main2),var(--main1));
    color:white;
    display:flex;
    flex-direction:column;
    padding:12px;
    box-sizing:border-box;
    gap:6px;
  }
  #friends h2{margin:0 0 4px 0;font-size:1.4rem;}
  #friends p{margin:0 0 4px 0;font-size:0.95rem;} /* 名前とIDの間隔 = 4px */
  #control-row{display:flex;gap:6px;align-items:center;}
  #my-id{font-weight:600;background:rgba(255,255,255,0.12);padding:4px 6px;border-radius:6px;font-size:0.9rem;}
  #create-group-btn{padding:6px 8px;border-radius:8px;background: linear-gradient(90deg,var(--main2),var(--main1)); border:none;color:white;font-weight:600;cursor:pointer; transition:transform .12s ease;}
  #create-group-btn:hover{transform:scale(1.03);}

  .section-title{color:#e8f2ff;margin:6px 0 4px 0;font-weight:600;font-size:0.95rem;}

  #group-list, #friend-list{overflow:auto;flex:1;padding-right:6px;}
  .list-item{
    display:flex;align-items:center;justify-content:space-between;
    gap:8px;padding:8px 10px;margin-bottom:6px;border-radius:10px;background:rgba(255,255,255,0.12);
    transition: all .18s ease; cursor:pointer; color:white;
    white-space:nowrap;text-overflow:ellipsis;overflow:hidden;
    opacity:0; animation: itemFade .28s forwards;
  }
  .list-item:hover{transform:translateY(-2px); background:rgba(255,255,255,0.18);}

  @keyframes itemFade{ to {opacity:1;} }

  /* small badges */
  .badge{background:rgba(255,255,255,0.15);padding:2px 6px;border-radius:999px;font-size:0.8rem;color:#fff;}

  /* Add friend inputs (vertical) */
  #add-friend-container{display:flex;flex-direction:column;gap:6px;margin-top:6px;}
  #friend-name-input,#friend-id-input{
    width:100%;padding:8px;border-radius:8px;border:none;outline:none;box-sizing:border-box;
  }
  #add-friend{padding:8px;border-radius:10px;border:none;background:linear-gradient(90deg,var(--main2),var(--main1));color:white;font-weight:600;cursor:pointer;transition:transform .12s}
  #add-friend:hover{transform:scale(1.03);}

  /* Right (chat) */
  #chat-container{flex:1;display:flex;flex-direction:column;padding:14px;box-sizing:border-box;gap:8px;}
  #chat-header{font-size:1.15rem;margin:0;font-weight:700;}
  #chat-area{flex:1;background:var(--card);border-radius:12px;padding:14px;overflow:auto;display:flex;flex-direction:column;gap:8px;box-shadow:0 6px 18px rgba(37,99,235,0.06)}
  /* message */
  .msg{max-width:70%;padding:10px 14px;border-radius:16px;line-height:1.3;font-size:0.95rem;box-shadow:0 2px 6px rgba(2,6,23,0.04);opacity:0;transform:translateY(8px);animation:msgIn .22s forwards;}
  .msg-you{background:linear-gradient(135deg,var(--main2),var(--main1));color:white;align-self:flex-end;border-bottom-right-radius:6px;}
  .msg-friend{background:linear-gradient(135deg,#dbeafe,#93c5fd);color:#062a4e;align-self:flex-start;border-bottom-left-radius:6px;}
  .msg-meta{font-size:0.75rem;opacity:0.8;margin-bottom:4px;}
  @keyframes msgIn{ to {opacity:1;transform:translateY(0);} }

  /* input */
  #input-row{display:flex;gap:8px;align-items:center;margin-top:6px}
  #msg-input{flex:1;padding:12px 16px;border-radius:24px;border:1px solid rgba(37,99,235,0.25);outline:none;font-size:0.95rem}
  #send-btn{padding:10px 16px;border-radius:24px;border:none;background:linear-gradient(90deg,var(--main2),var(--main1));color:white;font-weight:700;cursor:pointer;transition:transform .12s}
  #send-btn:hover{transform:scale(1.04);}

  /* modal (group create) */
  #modal-backdrop{position:fixed;left:0;top:0;width:100%;height:100%;background:rgba(2,6,23,0.35);display:flex;align-items:center;justify-content:center;z-index:60;display:none;}
  #modal{width:420px;max-width:94%;background:white;border-radius:12px;padding:14px;box-sizing:border-box;}
  #modal h3{margin:0 0 8px 0;}
  #modal .friend-checkbox{display:flex;align-items:center;gap:8px;padding:8px;border-radius:8px;border:1px solid #eef6ff;margin-bottom:6px;}
  #modal .controls{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
  .ghost-small{font-size:0.85rem;color:#98bff6}

  /* responsive small */
  @media (max-width:720px){
    #friends{display:none}
    body{flex-direction:column}
    #chat-container{padding:10px}
  }
  .list-item.unread {
  background: rgba(255, 255, 255, 0.35);
  font-weight: bold;
  box-shadow: 0 0 6px rgba(255,255,255,0.4);
}
#footer {
    text-align: center;
  color: rgba(255, 255, 255, 0.7);
  }
</style>
<script src="https://unpkg.com/peerjs@1.4.7/dist/peerjs.min.js"></script>
</head>
<body>
  <!-- LEFT -->
  <div id="friends">
    <h2>Loom</h2>
    <p>あなたのID: <span id="my-id">...</span></p>

    <div id="control-row">
      <button id="create-group-btn">＋グループ作成</button>
      <div class="badge ghost-small" id="peer-count">0</div>
    </div>

    <div class="section-title">グループ</div>
    <div id="group-list"></div>

    <div class="section-title">フレンド</div>
    <div id="friend-list"></div>

    <div id="add-friend-container">
      <input id="friend-name-input" placeholder="表示名 (例: 太郎)">
      <input id="friend-id-input" placeholder="Peer ID (相手のあなたのID)">
      <button id="add-friend">追加して接続</button>
    </div>
    <div id="footer">&copy; 2025 Loom</div>

  </div>

  <!-- RIGHT -->
  <div id="chat-container">
    <h3 id="chat-header">チャット</h3>
    <div id="chat-area"></div>

    <div id="input-row">
      <input id="msg-input" placeholder="メッセージを入力...">
      <button id="send-btn">送信</button>
    </div>
  </div>

  <!-- Modal: Create Group -->
  <div id="modal-backdrop">
    <div id="modal">
      <h3>グループを作成</h3>
      <input id="group-name-input" placeholder="グループ名" style="width:100%;padding:8px;border:1px solid #eef6ff;border-radius:8px;margin-bottom:10px;">
      <div id="modal-friend-list" style="max-height:240px;overflow:auto;margin-bottom:8px;"></div>
      <div style="display:flex;justify-content:space-between;align-items:center;">
        <div class="ghost-small">選択したメンバーに招待が送信されます</div>
        <div class="controls">
          <button id="cancel-create">キャンセル</button>
          <button id="confirm-create" style="background:linear-gradient(90deg,var(--main2),var(--main1));color:white;padding:8px 12px;border:none;border-radius:8px;">作成</button>
        </div>
      </div>
    </div>
  </div>
<script>
const peer = new Peer({ host: '0.peerjs.com', port: 443, secure: true });
let friends = {}, groups = {}, connections = {}, current = null;
let myName = prompt("あなたの表示名を入力してください") || "匿名";

// helper
function $(id) { return document.getElementById(id); }

// Peer接続オープン
peer.on('open', id => { $('my-id').textContent = id; });

// Peer接続受信
peer.on('connection', conn => {
  connections[conn.peer] = conn;
  conn.on('data', raw => {
    const msg = JSON.parse(raw);

    // フレンド自己紹介
    if (msg.type === 'friend-intro') {
      if (!friends[msg.id]) friends[msg.id] = { name: msg.name, messages: [] };
      addFriendItem(msg.id, msg.name);
      // 自分も相手に自己紹介返す
      if (!connections[msg.id]) {
        const back = peer.connect(msg.id);
        connections[msg.id] = back;
        back.on('open', () => back.send(JSON.stringify({ type: 'friend-intro', id: peer.id, name: myName })));
      }
      return;
    }

    if (msg.type === 'direct') {
      if (!friends[msg.from]) friends[msg.from] = { name: msg.from, messages: [] };
      friends[msg.from].messages.push({ from: msg.from, text: msg.text });
      if (current === msg.from) showChat(msg.from);
      else markUnread('f-' + msg.from);
    }

    if (msg.type === 'group') {
      if (!groups[msg.group]) return;
      groups[msg.group].messages.push({ from: msg.from, text: msg.text });
      if (current === msg.group) showGroup(msg.group);
      else markUnread('g-' + msg.group);
    }
  });
});

// フレンド追加
$('add-friend').onclick = () => {
  const n = $('friend-name-input').value.trim(), id = $('friend-id-input').value.trim();
  if (!n || !id) return;
  if (!friends[id]) friends[id] = { name: n, messages: [] };
  addFriendItem(id, n);

  // P2P接続
  const conn = peer.connect(id);
  connections[id] = conn;
  conn.on('open', () => {
    conn.send(JSON.stringify({ type: 'friend-intro', id: peer.id, name: myName }));
  });
};

// フレンドリストに追加
function addFriendItem(id, name) {
  if ($('f-' + id)) return;
  const d = document.createElement('div');
  d.className = 'list-item'; d.id = 'f-' + id; d.textContent = name;
  d.onclick = () => { current = id; showChat(id); };
  $('friend-list').appendChild(d);
}

// グループ作成
$('create-group-btn').onclick = () => {
  const name = prompt('グループ名:'); if (!name) return;
  const members = Object.keys(friends).filter(fid => confirm(friends[fid].name + ' を追加？'));
  if (members.length === 0) return;
  const gid = 'grp-' + Date.now();
  groups[gid] = { name, members: [peer.id, ...members], messages: [] };
  addGroupItem(gid);
};

// グループリストに追加
function addGroupItem(gid) {
  if ($('g-' + gid)) return;
  const d = document.createElement('div');
  d.className = 'list-item'; d.id = 'g-' + gid; d.textContent = groups[gid].name;
  d.onclick = () => { current = gid; showGroup(gid); };
  $('group-list').appendChild(d);
}

// チャット表示（個人）
function showChat(id) {
  clearUnread('f-' + id);
  const c = $('chat-area'); c.innerHTML = '';
  $('chat-header').textContent = friends[id].name;
  friends[id].messages.forEach(m => {
    const div = document.createElement('div');
    div.className = 'msg ' + (m.from === 'you' ? 'msg-you' : 'msg-friend');
    div.textContent = m.text; c.appendChild(div);
  });
  c.scrollTop = c.scrollHeight;
}

// チャット表示（グループ）
function showGroup(gid) {
  clearUnread('g-' + gid);
  const c = $('chat-area'); c.innerHTML = '';
  $('chat-header').textContent = groups[gid].name + '（グループ）';
  groups[gid].messages.forEach(m => {
    const div = document.createElement('div');
    div.className = 'msg ' + (m.from === peer.id ? 'msg-you' : 'msg-friend');
    div.textContent = (m.from === peer.id ? 'あなた' : m.from) + ': ' + m.text;
    c.appendChild(div);
  });
  c.scrollTop = c.scrollHeight;
}

// 送信ボタン
$('send-btn').onclick = sendMsg;
$('msg-input').addEventListener('keydown', e => { if (e.key === 'Enter') sendMsg(); });

// 送信処理
function sendMsg() {
  const text = $('msg-input').value.trim(); if (!text || !current) return;
  if (current.startsWith('grp-')) sendGroupMsg(current, text);
  else sendDirectMsg(current, text);
  $('msg-input').value = '';
}

function sendDirectMsg(id, text) {
  const conn = connections[id]; if (!conn || !conn.open) { alert('接続なし'); return; }
  const msg = { type: 'direct', from: peer.id, text };
  conn.send(JSON.stringify(msg));
  friends[id].messages.push({ from: 'you', text });
  showChat(id);
}

function sendGroupMsg(gid, text) {
  const g = groups[gid];
  g.messages.push({ from: peer.id, text });
  showGroup(gid);
  g.members.forEach(mid => {
    if (mid === peer.id) return;
    const conn = connections[mid] || peer.connect(mid);
    connections[mid] = conn;
    conn.on('open', () => conn.send(JSON.stringify({ type: 'group', group: gid, from: peer.id, text })));
    if (conn.open) conn.send(JSON.stringify({ type: 'group', group: gid, from: peer.id, text }));
  });
}

// 未読管理
function markUnread(id) {
  const el = $(id);
  if (el) el.classList.add('unread');
}

function clearUnread(id) {
  const el = $(id);
  if (el) el.classList.remove('unread');
}

</script>
</body>
</html>